Home / 53,567.82-80,363.48-20,288.13

Finding the Fourth Proportional to 53,567.82, 80,363.48 and 20,288.13

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Solution

The fourth proportional to 53,567.82, 80,363.48 and 20,288.13 is: 30,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,567.82 : 80,363.48 = 20,288.13 : x
  2. Step 2: Convert to fraction form
    53,567.82/80,363.48 = 20,288.13/x
  3. Step 3: Cross multiply
    53,567.82x = 80,363.48 × 20,288.13
  4. Step 4: Simplify right side
    53,567.82x = 1,630,424,729.49
  5. Step 5: Solve for x
    x = 1,630,424,729.49/53,567.82
  6. Step 6: Final answer
    x = 30,436.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.